Add 12/20 and 49/90
12/20 + 49/90 is 103/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
12/20 = 12 × 9/20 × 9 = 108/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
49/90 = 49 × 2/90 × 2 = 98/180 - Add the two like fractions:
108/180 + 98/180 = 108 + 98/180 = 206/180 - 206/180 simplified gives 103/90
- So, 12/20 + 49/90 = 103/90
In mixed form: 113/90
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